HomeAuthorsPosts by Sundareswaran Iyalunaidu

Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
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PLC

Step-by-Step PLC Ladder Logic for Automatic Liquid Mixing Process with Interlocks

Table of ContentsWhy Liquid Mixing Needs AutomationProcess OverviewPLC I/O Address AssignmentLadder Logic Design (Step-by-Step Explanation)Logical Flow MatrixTest Case SummaryPractical InsightsFuture EnhancementsTest your knowledge on Understanding PLC Hardware Components This article uses Schneider Electric's EcoStruxure Machine Expert platform to describe PLC-based design of a semi-automatic liquid...
Calibration

Why Calibrating your Calibrators is Critically Important: Accuracy, Compliance and ISO 17025 and NIST Traceability

Table of ContentsRole of Calibrators in Process IndustryWhy Calibrating Calibrators are Important ?Importance of ISO 17025 AccreditationImportance of Traceability to NIST or National StandardsWhen Should you Calibrate your Calibrators?Calibration Equipment List - What Should Be Tracked?Structuring a Calibration Control Plan for CalibratorsKey Benefits of...
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PLC

PLC Hardware: Modules,Types, Functions, and Applications

Table of ContentsTypes of PLC HardwareCompact PLC (Fixed PLC)Modular PLCRack-Mounted PLCWhat are the different...
Instrumentation Questions

Instrumentation I/O Database Quiz

In process industries instrumentation functions as a critical element that delivers precise operations together...
Control Valve

How to Properly Size Control Valves for Maximum Efficiency?

Table of ContentsCharacteristics of Correctly Sized, Undersized, and Oversized Control ValvesImportance of Control Valve...
Cybersecurity

Cybersecurity Basics: Types, Threats, and Protection Tips

Table of ContentsWhat is cybersecurity?Types of Cyber SecurityEvolution of Cybersecurity ThreatsTop Emerging Cybersecurity ThreatsCommon...
Instrumentation Calculators

Control Valve Sizing Calculation Worksheet for Critical and Sub-Critical Flow: Excel Tool – Liquid Application

The Control Valve Sizing Calculation Worksheet serves engineering and professional users who perform control...
Instrumentation Calculators

Accurate Measurement Calculators for Engineers

A collection of precision calculators enables industrial performance optimization through their ability to deliver...
Instrumentation Calculators

20+ Essential Third-Party Instrumentation Calculators for Engineers

A group of advanced third-party instrumentation tools exists to help users execute complex calculations...
Instrumentation Questions

Instrumentation and Control System Interview Questions and Answers

Table of ContentsPLC (Programmable Logic Controllers) Interview Questions and AnswersOil and Gas Instrumentation Interview...
Instrumentation Questions

Quiz on RTD and Thermocouple Selection for Instrumentation Design Engineers

Welcome to the RTD and Thermocouple Selection Quiz for instrumentation design engineers! Selecting the...
PLC

Understanding PLC Redundancy: Cold, Warm & Hot Redundancy

Table of ContentsDefinition: PLC RedundancyImportance of PLC RedundancyTypes of PLC RedundancyTypes of Redundancy in...
FAT Activities

Factory Acceptance Test (FAT) Procedure & Checklist for Marshalling Cabinets

Table of ContentsPurpose of the FAT Procedure for Marshalling CabinetScope of the FAT Procedure...
Temperature Measurement

Why Thermocouple Reference Junction Compensation(CJC) is Essential for Accurate Temperature Measurement ?

Table of ContentsDifferential Temperature MeasurementCold Junction Compensation - CJCTechniques for Reference Junction CompensationReference Diagram...
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Latest articles

PLC

Step-by-Step PLC Ladder Logic for Automatic Liquid Mixing Process with Interlocks

Table of ContentsWhy Liquid Mixing Needs AutomationProcess OverviewPLC I/O Address AssignmentLadder Logic Design (Step-by-Step...
Calibration

Why Calibrating your Calibrators is Critically Important: Accuracy, Compliance and ISO 17025 and NIST Traceability

Table of ContentsRole of Calibrators in Process IndustryWhy Calibrating Calibrators are Important ?Importance of...
Instrumentation Calculators

Free Online PT500 RTD Calculator: Resistance to Temperature Conversion for Instrumentation Professionals

A Resistance Temperature Detector (RTD) is a precision sensor designed to track temperature depending...
Instrumentation Questions

Advanced Quiz on RADAR Level Measurement for Process Instrumentation Engineers

With this advanced 25-question test tailored for instrumentation and automation experts, test your knowledge...

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